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Cheap flights from Houston to London Heathrow Airport from £389

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LHR
19 Jul — 26 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Houston to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Houston to Heathrow
Explore the most affordable flight options available from Houston to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 June 2026.

Mon 13/710:00
IAH
-
LHR
2 stops14h 30m
Air Canada
Wed 12/814:05
LHR
-
IAH
1 stop35h 33m
Air Canada
Deal found 14/6£719
Wed 15/718:49
HOU
-
LHR
1 stop12h 01m
British Airways
Wed 12/808:55
LHR
-
HOU
1 stop14h 49m
British Airways
Deal found 14/6£719
Sun 9/815:30
IAH
-
LHR
Nonstop9h 10m
British Airways
Mon 17/809:10
LHR
-
IAH
Nonstop10h 15m
British Airways
Deal found 16/6£720
Mon 14/915:35
IAH
-
LHR
1 stop15h 05m
Lufthansa
Thu 17/918:30
LHR
-
IAH
1 stop25h 05m
Lufthansa
Deal found 14/6£721
Wed 26/806:00
HOU
-
LHR
2 stops18h 20m
Delta
Sun 6/913:25
LHR
-
HOU
1 stop13h 58m
Delta
Deal found 15/6£721
Tue 6/1021:10
IAH
-
LHR
Nonstop9h 15m
British Airways
Sat 10/1009:10
LHR
-
IAH
Nonstop10h 15m
British Airways
Deal found 16/6£721
Mon 2/1110:05
HOU
-
LHR
2 stops17h 15m
Delta
Mon 9/1111:05
LHR
-
HOU
2 stops16h 38m
Delta
Deal found 16/6£721
Sun 9/809:45
IAH
-
LHR
2 stops16h 10m
Delta
Mon 17/806:30
LHR
-
IAH
1 stop12h 50m
Delta
Deal found 16/6£722
Thu 6/810:50
HOU
-
LHR
2 stops15h 15m
Virgin Atlantic
Wed 12/806:30
LHR
-
HOU
2 stops21h 35m
Virgin Atlantic
Deal found 16/6£722
Thu 8/1020:15
IAH
-
LHR
Nonstop9h 20m
United Airlines
Sun 18/1007:25
LHR
-
IAH
1 stop15h 15m
United Airlines
Deal found 16/6£723
Wed 14/1007:20
IAH
-
LHR
2 stops17h 10m
Air Canada
Mon 19/1008:30
LHR
-
IAH
2 stops17h 22m
Air Canada
Deal found 15/6£724
Sun 30/810:39
IAH
-
LHR
2 stops15h 01m
Delta
Sun 6/906:30
LHR
-
IAH
2 stops21h 49m
Delta
Deal found 15/6£724

Find flight deals from Houston to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 June 2026.

Round-trip from

£719

One-way from

£389

Popular in

June

Cheapest in

February

Average price

£1,029
Air Canada
  • Air Canada
  • 13/7-12/8
  • 3 total stops
  • 50h 03m total
  • Houston to London
Search Deals
United Airlines
  • United Airlines
  • 12/8
  • 2 total stops
  • 14h 40m total
  • Houston to London
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£168 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Houston to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 19 June 2026.
Use the filters below to find and compare flights from Houston to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 31/8

16:25-07:45

Nonstop9h 20m

London Heathrow

Sat 12/9

13:40-17:55

Nonstop10h 15m

£730

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Fri 4/9

20:15-11:35

Nonstop9h 20m

London Heathrow

Sat 12/9

09:30-17:50

1 stop14h 20m

£730

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 1/11

19:00-10:15

Nonstop9h 15m

London Heathrow

Sat 7/11

10:00-14:40

Nonstop10h 40m

£739

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Thu 8/10

11:50-09:00

2 stops15h 10m

London Heathrow

Mon 19/10

08:40-21:10

2 stops18h 30m

£740

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Fri 4/9

13:13-13:15

1 stop18h 02m

London Heathrow

Sat 12/9

15:15-22:40

1 stop13h 25m

£755

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Thu 8/10

10:05-06:20

2 stops14h 15m

London Heathrow

Sat 17/10

10:45-21:43

2 stops16h 58m

£759

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Thu 15/10

17:35-11:20

1 stop11h 45m

London Heathrow

Sat 24/10

15:15-09:26

1 stop24h 11m

£760

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Fri 20/11

19:00-10:15

Nonstop9h 15m

London Heathrow

Sat 28/11

06:30-14:00

1 stop13h 30m

£791

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 4/8

16:35-07:55

Nonstop9h 20m

London Heathrow

Fri 7/8

09:30-19:38

1 stop16h 08m

£868

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Wed 22/7

10:40-07:15

1 stop14h 35m

London Heathrow

Wed 5/8

13:25-22:05

1 stop14h 40m

£877

Flights are sorted by cheapest return flights first.

Deals found on 14/6

Showing 1-10 of 40 resultsSorted by cheapest first
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3
4

Best time to book a flight from Houston to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Houston with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston to London Heathrow Airport

What is the cheapest month to book a flight from Houston to London Heathrow Airport?

Currently, August is the cheapest month in which you can book a flight from Houston to London Heathrow Airport (average of £76). Flying from Houston to London Heathrow Airport in June is currently the most expensive (average of £661). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HOU to LHR?

Find hourly flight availability from Houston to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 June 2026.

When flying from Houston to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Houston to London Heathrow Airport?

How often are flights from Houston to London delayed?

About 23% of weekly flights between Houston and London have experienced delays in the past year, with the average delay time being 149 minutes.

What is the most punctual flight time for Houston to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Houston to London flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 18% of flights being delayed.

How far ahead should I book a flight from Houston to London Heathrow Airport?

Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 19 June 2026.
Read through reviews of airlines operating flights from Houston to London Heathrow Airport, such as Virgin Atlantic,United Airlines, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Crew

8.1

Boarding

7.7

Entertainment

7.5

Overall

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
690 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Crew

8.1

Boarding

7.7

Entertainment

7.5

Overall

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
United Airlines
7.4
Good
9,860 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Crew

8.1

Boarding

7.7

Entertainment

7.5

Overall

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Lufthansa
6.8
Okay
8,075 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Crew

8.1

Boarding

7.7

Entertainment

7.5

Overall

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,054 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Crew

8.1

Boarding

7.7

Entertainment

7.5

Overall

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

Find useful and relevant information for your journey from Houston to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Houston to London Heathrow Airport?

    Departing from Houston to London Heathrow Airport will take you 9h 20m. Airlines will cover a distance of 4820 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Houston to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from Houston to London Heathrow Airport round-trip from £305. Other airlines that can offer you cheap pricing are British Airways, from £379, and Lufthansa, from £391. These flights start at 52% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Houston to London Heathrow Airport one-way?

    The cheapet airlines for a one-way flight from Houston to London Heathrow Airport are United Airlines (£185), Lufthansa (£281), and British Airways (£288).

  • Can I find deals for flights from Houston to Heathrow that include hotel bookings?

    Yes. In addition to deals on Houston to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Houston to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Heathrow.

  • Can I find deals for business class flights from Houston to Heathrow?

    Yes. Cheapflights offers flight deals from Houston to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston to London Heathrow Airport?

    Currently, August is the cheapest month in which you can book a flight from Houston to London Heathrow Airport (average of £76). Flying from Houston to London Heathrow Airport in June is currently the most expensive (average of £661). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Northampton
Kingston upon Thames
Swindon
Eastbourne
Watford
Poole
Guildford
Romford
Ipswich

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Houston to Heathrow

Discover the top 4 airlines that operate flights from Houston to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 19 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£305Average£499FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£379Average£593FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£391Average£492FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£394Average£603FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Houston to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Houston today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Houston to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from Houston to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Houston to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Houston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Houston to Heathrow become cheaper?

Not ready to book yet? You can track prices for flights from Houston to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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